Table 4.

FE solution information and E-Norm evaluation at the centre of the stroke sphere against different mesh models.

model no.	elements	d.f.	study time (min, s)	iterations	E-Norm (V m−1)	E-Norm abs. diff. (V m−1)
1	353 553	2 274 496	16 min, 12 s	31	2.3991	3.19 × 10−02
2	359 521	2 312 300	14 min, 18 s	24	2.3615	5.70 × 10−03
3	416 327	2 672 334	9 min, 17 s	5	2.3669	3.00 × 10−04
4	532 532	3 408 692	10 min, 4 s	3	2.3679	7.00 × 10−04
5	750 999	4 792 870	15 min, 51 s	4	2.3667	5.00 × 10−04
6	866 823	5 526 844	26 min, 32 s	4	2.3672